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Morphological analysis of mixozoan (Myxozoa) parasites in nervous tissue of fish collected in the Fish River, middle Tietê River, SP, Brazil

Grant number: 11/22292-8
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): March 01, 2012
Effective date (End): December 31, 2013
Field of knowledge:Agronomical Sciences - Fishery Resources and Fishery Engineering - Aquaculture
Principal researcher:Rodney Kozlowiski de Azevedo
Grantee:Diego Henrique Mirandola Dias Vieira
Home Institution: Instituto de Biociências (IBB). Universidade Estadual Paulista (UNESP). Campus de Botucatu. Botucatu , SP, Brazil


Currently the biodiversity of marine and freshwater ecosystems have been threatened, mainly by environmental problems resulting from environmental degradation, an example is the stretch of the middle Tiete river where the dam of Barra Bonita (SP) concentrates almost all the organic load of effluents from the metropolitan region of Sao Paulo, leading to eutrophication with the loss of water quality. This Hydrographic basin is located in the Peixe River, a tributary of the Barra Bonita dam whose sources are the slopes of the Cuesta of Botucatu, showing altitudinal gradient in a good state of conservation and water quality, with a rich biodiversity of fish associated with the presence of numerous lagoons. From another perspective, the studies related to parasites and other pathogens of aquatic organisms have considerably increased the relevance, especially those with potential hosts for growing and marketing, due to the significant increase of these activities in Brazil and worldwide. Among the agents responsible for diseases in fish are the mixosporideans, which can cause significant economic damage, with high mortality ratios. Based on the above aims of this study was to evaluate the biodiversity of parasites mixosporideans three fish species by morphological characterization, due to socio-economic importance of this river for the region and diversity of fish, with great possibilities of description of new species .

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
AZEVEDO, RODNEY KOZLOWISKI; MIRANDOLA DIAS VIEIRA, DIEGO HENRIQUE; VIEIRA, GUSTAVO HENRIQUE; SILVA, REINALDO JOSE; MATOS, EDILSON; ABDALLAH, VANESSA DORO. Phylogeny, ultrastructure and histopathology of Myxobolus lomi sp nov., a parasite of Prochilodus lineatus (Valenciennes, 1836) (Characiformes: Prochilodontidae) from the Peixes River, Sao Paulo State, Brazil. Parasitology International, v. 63, n. 2, p. 303-307, . (10/06564-5, 11/00010-0, 11/22292-8)
MIRANDOLA DIAS VIEIRA, DIEGO HENRIQUE; CARAMELLO, LUHAN EDUARDO; ABADALLAH, VANESSA DORO; DA SILVA, REINALDO JOSE; DE AZEVEDO, RODNEY KOZLOWISKI. Community ecology of metazoan parasites of the sairu Cyphocharax nagelii from the Peixe River. Revista Brasileira de Parasitologia Veterinária, v. 22, n. 4, p. 611-615, . (10/06564-5, 11/22292-8, 11/10055-1)
MIRANDOLA DIAS VIEIRA, DIEGO HENRIQUE; ABDALLAH, VANESSA DORO; DA SILVA, REINALDO JOSE; DE AZEVEDO, RODNEY KOZLOWISKI. Skin nodules associated with parasitism with Henneguya sp. (Cnidaria: Myxosporea) in the neotropical fish Cyphocharax modestus. Microbial Pathogenesis, v. 128, p. 294-300, . (11/22292-8)

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